54327 TPS54327 SOP-8

توضیحات

TPS54327 3-A Output Single Synchronous Step-Down Switcher
With Integrated FET

1 Features 3 Description
The TPS54327 device is an adaptive on-time D1• D-CAP2™ Mode Enables Fast Transient
CAP2™ mode synchronous buck converter. Response TheTPS54327 enables system designers to complete
• Low-Output Ripple and Allows Ceramic Output the suite of various end equipment’s power bus
Capacitor regulators with a cost effective, low component count,
• Wide VIN Input Voltage Range: 4.5 V to 18 V low standby current solution. The main control loop
for the TPS54327 uses the D-CAP2 mode control • Output Voltage Range: 0.76 V to 7 V
which provides a fast transient response with no
• Highly Efficient Integrated FETs Optimized external compensation components. The TPS54327
for Lower Duty Cycle Applications also has a proprietary circuit that enables the device
– 100 mΩ (High-Side) and 70 mΩ (Low-Side) to adopt to both low equivalent series resistance
• High Efficiency, Less Than 10 μA at shutdown (ESR) output capacitors, such as POSCAP or SPCAP, and ultra-low ESR ceramic capacitors. The • High Initial Bandgap Reference Accuracy device operates from 4.5-V to 18-V VIN input. The
• Adjustable Soft Start output voltage can be programmed between 0.76 V
• Prebiased Soft Start and 7 V. The device also features an adjustable soft
start time. The TPS54327 is available in the 8-pin • 700-kHz Switching Frequency (fSW)
DDA package and 10-pin DRC, and is designed to
• Cycle-By-Cycle Overcurrent Limit operate from –40°C to 85°C.